48158557 has 2 divisors, whose sum is σ = 48158558. Its totient is φ = 48158556.

The previous prime is 48158533. The next prime is 48158563. The reversal of 48158557 is 75585184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48149721 + 8836 = 6939^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 48158557 - 2²³ = 39769949 is a prime.

It is a super-2 number, since 2×48158557² = 4638493224644498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48158507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24079278 + 24079279.

It is an arithmetic number, because the mean of its divisors is an integer number (24079279).

Almost surely, 2^48158557 is an apocalyptic number.

It is an amenable number.

48158557 is a deficient number, since it is larger than the sum of its proper divisors (1).

48158557 is an equidigital number, since it uses as much as digits as its factorization.

48158557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224000, while the sum is 43.

The square root of 48158557 is about 6939.6366619586. The cubic root of 48158557 is about 363.8238415216.

It can be divided in two parts, 481585 and 57, that multiplied together give a triangular number (27450345 = T₇₄₀₉).

The spelling of 48158557 in words is "forty-eight million, one hundred fifty-eight thousand, five hundred fifty-seven".