55678974 has 16 divisors (see below), whose sum is σ = 119924112. Its totient is φ = 17131968.

The previous prime is 55678933. The next prime is 55678979. The reversal of 55678974 is 47987655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55678979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356839 + ... + 356994.

It is an arithmetic number, because the mean of its divisors is an integer number (7495257).

Almost surely, 2^55678974 is an apocalyptic number.

55678974 is an abundant number, since it is smaller than the sum of its proper divisors (64245138).

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

55678974 is a wasteful number, since it uses less digits than its factorization.

55678974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713851.

The product of its digits is 2116800, while the sum is 51.

The square root of 55678974 is about 7461.8344929380. The cubic root of 55678974 is about 381.8537629076.

It can be divided in two parts, 5567 and 8974, that added together give a palindrome (14541).

The spelling of 55678974 in words is "fifty-five million, six hundred seventy-eight thousand, nine hundred seventy-four".