25552163602 has 32 divisors (see below), whose sum is σ = 45258071040. Its totient is φ = 10587983040.

The previous prime is 25552163597. The next prime is 25552163603. The reversal of 25552163602 is 20636125552.

It is a super-2 number, since 2×25552163602² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25552163603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458424 + ... + 511132.

It is an arithmetic number, because the mean of its divisors is an integer number (1414314720).

Almost surely, 2^25552163602 is an apocalyptic number.

25552163602 is a deficient number, since it is larger than the sum of its proper divisors (19705907438).

25552163602 is a wasteful number, since it uses less digits than its factorization.

25552163602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53866.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 25552163602 in words is "twenty-five billion, five hundred fifty-two million, one hundred sixty-three thousand, six hundred two".