55803970 has 16 divisors (see below), whose sum is σ = 102150720. Its totient is φ = 21943024.

The previous prime is 55803961. The next prime is 55803973. The reversal of 55803970 is 7930855.

It is a super-2 number, since 2×55803970² = 6228166135521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55803973) 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, 46702 + ... + 47881.

It is an arithmetic number, because the mean of its divisors is an integer number (6384420).

Almost surely, 2^55803970 is an apocalyptic number.

55803970 is a deficient number, since it is larger than the sum of its proper divisors (46346750).

55803970 is a wasteful number, since it uses less digits than its factorization.

55803970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94649.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55803970 is about 7470.2054857949. The cubic root of 55803970 is about 382.1392957090.

The spelling of 55803970 in words is "fifty-five million, eight hundred three thousand, nine hundred seventy".