54397716 has 24 divisors (see below), whose sum is σ = 129324384. Its totient is φ = 17790240.

The previous prime is 54397667. The next prime is 54397723. The reversal of 54397716 is 61779345.

It is a super-2 number, since 2×54397716² = 5918223012033312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42130 + ... + 43401.

It is an arithmetic number, because the mean of its divisors is an integer number (5388516).

Almost surely, 2^54397716 is an apocalyptic number.

It is an amenable number.

54397716 is an abundant number, since it is smaller than the sum of its proper divisors (74926668).

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

54397716 is a wasteful number, since it uses less digits than its factorization.

54397716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85591 (or 85589 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 54397716 is about 7375.4807300948. The cubic root of 54397716 is about 378.9019919554.

The spelling of 54397716 in words is "fifty-four million, three hundred ninety-seven thousand, seven hundred sixteen".