54157975 has 6 divisors (see below), whose sum is σ = 67155920. Its totient is φ = 43326360.

The previous prime is 54157951. The next prime is 54157979. The reversal of 54157975 is 57975145.

It is not a de Polignac number, because 54157975 - 2⁹ = 54157463 is a prime.

It is a super-2 number, since 2×54157975² = 5866172512201250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54157979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1083135 + ... + 1083184.

Almost surely, 2^54157975 is an apocalyptic number.

54157975 is a deficient number, since it is larger than the sum of its proper divisors (12997945).

54157975 is a wasteful number, since it uses less digits than its factorization.

54157975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166329 (or 2166324 counting only the distinct ones).

The product of its digits is 220500, while the sum is 43.

The square root of 54157975 is about 7359.2102157772. The cubic root of 54157975 is about 378.3445413608.

The spelling of 54157975 in words is "fifty-four million, one hundred fifty-seven thousand, nine hundred seventy-five".