53722502 has 4 divisors (see below), whose sum is σ = 80583756. Its totient is φ = 26861250.

The previous prime is 53722477. The next prime is 53722507. The reversal of 53722502 is 20522735.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×53722502² = 5772214442280008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53722507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13430624 + ... + 13430627.

It is an arithmetic number, because the mean of its divisors is an integer number (20145939).

Almost surely, 2^53722502 is an apocalyptic number.

53722502 is a deficient number, since it is larger than the sum of its proper divisors (26861254).

53722502 is a wasteful number, since it uses less digits than its factorization.

53722502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861253.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53722502 is about 7329.5635613589. The cubic root of 53722502 is about 377.3277479712.

The spelling of 53722502 in words is "fifty-three million, seven hundred twenty-two thousand, five hundred two".