54377478 has 12 divisors (see below), whose sum is σ = 117817908. Its totient is φ = 18125820.

The previous prime is 54377473. The next prime is 54377483. The reversal of 54377478 is 87477345.

It is an interprime number because it is at equal distance from previous prime (54377473) and next prime (54377483).

It is a super-2 number, since 2×54377478² = 5913820227280968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54377471) 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, 1510468 + ... + 1510503.

It is an arithmetic number, because the mean of its divisors is an integer number (9818159).

Almost surely, 2^54377478 is an apocalyptic number.

54377478 is an abundant number, since it is smaller than the sum of its proper divisors (63440430).

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

54377478 is a wasteful number, since it uses less digits than its factorization.

54377478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020979 (or 3020976 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 54377478 is about 7374.1086240982. The cubic root of 54377478 is about 378.8549975211.

The spelling of 54377478 in words is "fifty-four million, three hundred seventy-seven thousand, four hundred seventy-eight".