55477952 has 14 divisors (see below), whose sum is σ = 110089188. Its totient is φ = 27738944.

The previous prime is 55477937. The next prime is 55477969. The reversal of 55477952 is 25977455.

It is a super-2 number, since 2×55477952² = 6155606316228608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433358 + ... + 433485.

Almost surely, 2^55477952 is an apocalyptic number.

It is an amenable number.

55477952 is a deficient number, since it is larger than the sum of its proper divisors (54611236).

55477952 is an equidigital number, since it uses as much as digits as its factorization.

55477952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866855 (or 866845 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 55477952 is about 7448.3523010126. The cubic root of 55477952 is about 381.3936636036.

The spelling of 55477952 in words is "fifty-five million, four hundred seventy-seven thousand, nine hundred fifty-two".