5213057655 has 48 divisors (see below), whose sum is σ = 9116737920. Its totient is φ = 2542310784.

The previous prime is 5213057651. The next prime is 5213057659. The reversal of 5213057655 is 5567503125.

It is an interprime number because it is at equal distance from previous prime (5213057651) and next prime (5213057659).

It is not a de Polignac number, because 5213057655 - 2² = 5213057651 is a prime.

It is a super-2 number, since 2×5213057655² = 54351940228708198050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213057651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261636 + ... + 280854.

It is an arithmetic number, because the mean of its divisors is an integer number (189932040).

Almost surely, 2^5213057655 is an apocalyptic number.

5213057655 is a deficient number, since it is larger than the sum of its proper divisors (3903680265).

5213057655 is a wasteful number, since it uses less digits than its factorization.

5213057655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360 (or 19347 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 5213057655 is about 72201.5072903606. The cubic root of 5213057655 is about 1733.9271333601.

The spelling of 5213057655 in words is "five billion, two hundred thirteen million, fifty-seven thousand, six hundred fifty-five".