33257357956 has 9 divisors (see below), whose sum is σ = 58201014711. Its totient is φ = 16628496612.

The previous prime is 33257357951. The next prime is 33257357957. The reversal of 33257357956 is 65975375233.

The square root of 33257357956 is 182366.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×33257357956² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33257357897 and 33257357906.

It is not an unprimeable number, because it can be changed into a prime (33257357951) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 319141 + ... + 410323.

Almost surely, 2^33257357956 is an apocalyptic number.

33257357956 is the 182366-th square number.

It is an amenable number.

33257357956 is a deficient number, since it is larger than the sum of its proper divisors (24943656755).

33257357956 is an frugal number, since it uses more digits than its factorization.

33257357956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182370 (or 91185 counting only the distinct ones).

The product of its digits is 17860500, while the sum is 55.

The spelling of 33257357956 in words is "thirty-three billion, two hundred fifty-seven million, three hundred fifty-seven thousand, nine hundred fifty-six".