54623511 has 8 divisors (see below), whose sum is σ = 80923760. Its totient is φ = 36415656.

The previous prime is 54623509. The next prime is 54623531. The reversal of 54623511 is 11532645.

It is not a de Polignac number, because 54623511 - 2¹ = 54623509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2023093 = 54623511 / (5 + 4 + 6 + 2 + 3 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54623531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011520 + ... + 1011573.

It is an arithmetic number, because the mean of its divisors is an integer number (10115470).

Almost surely, 2^54623511 is an apocalyptic number.

54623511 is a deficient number, since it is larger than the sum of its proper divisors (26300249).

54623511 is a wasteful number, since it uses less digits than its factorization.

54623511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023102 (or 2023096 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 54623511 is about 7390.7720165082. The cubic root of 54623511 is about 379.4255192927.

The spelling of 54623511 in words is "fifty-four million, six hundred twenty-three thousand, five hundred eleven".