97504155 has 80 divisors (see below), whose sum is σ = 201932544. Its totient is φ = 44089920.

The previous prime is 97504117. The next prime is 97504159. The reversal of 97504155 is 55140579.

It is not a de Polignac number, because 97504155 - 2⁸ = 97503899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97504159) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 462000 + ... + 462210.

Almost surely, 2^97504155 is an apocalyptic number.

97504155 is an abundant number, since it is smaller than the sum of its proper divisors (104428389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97504155 is a wasteful number, since it uses less digits than its factorization.

97504155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 97504155 is about 9874.4192234278. The cubic root of 97504155 is about 460.2647420597.

The spelling of 97504155 in words is "ninety-seven million, five hundred four thousand, one hundred fifty-five".