97420056 has 16 divisors (see below), whose sum is σ = 243550200. Its totient is φ = 32473344.

The previous prime is 97420051. The next prime is 97420079. The reversal of 97420056 is 65002479.

It is a super-2 number, since 2×97420056² = 18981334622086272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97419999 and 97420026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97420051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2029561 + ... + 2029608.

Almost surely, 2^97420056 is an apocalyptic number.

It is an amenable number.

97420056 is an abundant number, since it is smaller than the sum of its proper divisors (146130144).

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

97420056 is a wasteful number, since it uses less digits than its factorization.

97420056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059178 (or 4059174 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 97420056 is about 9870.1598771246. The cubic root of 97420056 is about 460.1323752609.

The spelling of 97420056 in words is "ninety-seven million, four hundred twenty thousand, fifty-six".