54377505 has 96 divisors (see below), whose sum is σ = 118809600. Its totient is φ = 22861440.

The previous prime is 54377501. The next prime is 54377513. The reversal of 54377505 is 50577345.

It is not a de Polignac number, because 54377505 - 2² = 54377501 is a prime.

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 54377505.

It is not an unprimeable number, because it can be changed into a prime (54377501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 200520 + ... + 200790.

It is an arithmetic number, because the mean of its divisors is an integer number (1237600).

Almost surely, 2^54377505 is an apocalyptic number.

It is an amenable number.

54377505 is an abundant number, since it is smaller than the sum of its proper divisors (64432095).

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

54377505 is a wasteful number, since it uses less digits than its factorization.

54377505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 54377505 is about 7374.1104548278. The cubic root of 54377505 is about 378.8550602253.

The spelling of 54377505 in words is "fifty-four million, three hundred seventy-seven thousand, five hundred five".