54637951 has 4 divisors (see below), whose sum is σ = 54718632. Its totient is φ = 54557272.

The previous prime is 54637889. The next prime is 54637967. The reversal of 54637951 is 15973645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54637951 - 2¹³ = 54629759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54638951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39316 + ... + 40681.

It is an arithmetic number, because the mean of its divisors is an integer number (13679658).

Almost surely, 2^54637951 is an apocalyptic number.

54637951 is a deficient number, since it is larger than the sum of its proper divisors (80681).

54637951 is an equidigital number, since it uses as much as digits as its factorization.

54637951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80680.

The product of its digits is 113400, while the sum is 40.

The square root of 54637951 is about 7391.7488458416. The cubic root of 54637951 is about 379.4589506953.

The spelling of 54637951 in words is "fifty-four million, six hundred thirty-seven thousand, nine hundred fifty-one".