55820675 has 6 divisors (see below), whose sum is σ = 69217668. Its totient is φ = 44656520.

The previous prime is 55820671. The next prime is 55820717. The reversal of 55820675 is 57602855.

It is not a de Polignac number, because 55820675 - 2² = 55820671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55820671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116389 + ... + 1116438.

It is an arithmetic number, because the mean of its divisors is an integer number (11536278).

Almost surely, 2^55820675 is an apocalyptic number.

55820675 is a deficient number, since it is larger than the sum of its proper divisors (13396993).

55820675 is a wasteful number, since it uses less digits than its factorization.

55820675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232837 (or 2232832 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55820675 is about 7471.3235105970. The cubic root of 55820675 is about 382.1774232237.

The spelling of 55820675 in words is "fifty-five million, eight hundred twenty thousand, six hundred seventy-five".