90620057 has 8 divisors (see below), whose sum is σ = 99001920. Its totient is φ = 82262160.

The previous prime is 90620053. The next prime is 90620059. The reversal of 90620057 is 75002609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90620057 - 2² = 90620053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90620051) 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, 2444 + ... + 13682.

It is an arithmetic number, because the mean of its divisors is an integer number (12375240).

Almost surely, 2^90620057 is an apocalyptic number.

It is an amenable number.

90620057 is a deficient number, since it is larger than the sum of its proper divisors (8381863).

90620057 is a wasteful number, since it uses less digits than its factorization.

90620057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 90620057 is about 9519.4567597106. The cubic root of 90620057 is about 449.1672781114.

The spelling of 90620057 in words is "ninety million, six hundred twenty thousand, fifty-seven".