54574987 has 2 divisors, whose sum is σ = 54574988. Its totient is φ = 54574986.

The previous prime is 54574979. The next prime is 54575033. The reversal of 54574987 is 78947545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54574987 - 2³ = 54574979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54574987.

It is not a weakly prime, because it can be changed into another prime (54574937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27287493 + 27287494.

It is an arithmetic number, because the mean of its divisors is an integer number (27287494).

Almost surely, 2^54574987 is an apocalyptic number.

54574987 is a deficient number, since it is larger than the sum of its proper divisors (1).

54574987 is an equidigital number, since it uses as much as digits as its factorization.

54574987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The square root of 54574987 is about 7387.4885448304. The cubic root of 54574987 is about 379.3131336304.

The spelling of 54574987 in words is "fifty-four million, five hundred seventy-four thousand, nine hundred eighty-seven".