54624257 has 4 divisors (see below), whose sum is σ = 54639060. Its totient is φ = 54609456.

The previous prime is 54624253. The next prime is 54624307. The reversal of 54624257 is 75242645.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 39639616 + 14984641 = 6296^2 + 3871^2 .

It is a cyclic number.

It is not a de Polignac number, because 54624257 - 2² = 54624253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54624253) 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, 3119 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (13659765).

It is a Proth number, since it is equal to 1667 ⋅ 2¹⁵ + 1 and 1667 < 2¹⁵.

Almost surely, 2^54624257 is an apocalyptic number.

It is an amenable number.

54624257 is a deficient number, since it is larger than the sum of its proper divisors (14803).

54624257 is an equidigital number, since it uses as much as digits as its factorization.

54624257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14802.

The product of its digits is 67200, while the sum is 35.

The square root of 54624257 is about 7390.8224846765. The cubic root of 54624257 is about 379.4272465718.

The spelling of 54624257 in words is "fifty-four million, six hundred twenty-four thousand, two hundred fifty-seven".