54969894 has 32 divisors (see below), whose sum is σ = 139607040. Its totient is φ = 15705576.

The previous prime is 54969883. The next prime is 54969917. The reversal of 54969894 is 49896945.

54969894 is a `hidden beast` number, since 549 + 6 + 9 + 8 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54969894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72334 + ... + 73089.

It is an arithmetic number, because the mean of its divisors is an integer number (4362720).

Almost surely, 2^54969894 is an apocalyptic number.

54969894 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54969894 is an abundant number, since it is smaller than the sum of its proper divisors (84637146).

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

54969894 is a wasteful number, since it uses less digits than its factorization.

54969894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145441 (or 145435 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 54969894 is about 7414.1684631522. The cubic root of 54969894 is about 380.2258445105.

The spelling of 54969894 in words is "fifty-four million, nine hundred sixty-nine thousand, eight hundred ninety-four".