97550620 has 24 divisors (see below), whose sum is σ = 205052400. Its totient is φ = 38982912.

The previous prime is 97550587. The next prime is 97550623. The reversal of 97550620 is 2605579.

It is a super-2 number, since 2×97550620² = 19032246924768800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97550623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30036 + ... + 33124.

It is an arithmetic number, because the mean of its divisors is an integer number (8543850).

Almost surely, 2^97550620 is an apocalyptic number.

It is an amenable number.

97550620 is an abundant number, since it is smaller than the sum of its proper divisors (107501780).

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

97550620 is a wasteful number, since it uses less digits than its factorization.

97550620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 97550620 is about 9876.7717397943. The cubic root of 97550620 is about 460.3378425513.

The spelling of 97550620 in words is "ninety-seven million, five hundred fifty thousand, six hundred twenty".