54312477 has 4 divisors (see below), whose sum is σ = 72416640. Its totient is φ = 36208316.

The previous prime is 54312457. The next prime is 54312481. The reversal of 54312477 is 77421345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54312477 - 2¹⁴ = 54296093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54312457) 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, 9052077 + ... + 9052082.

It is an arithmetic number, because the mean of its divisors is an integer number (18104160).

Almost surely, 2^54312477 is an apocalyptic number.

It is an amenable number.

54312477 is a deficient number, since it is larger than the sum of its proper divisors (18104163).

54312477 is a wasteful number, since it uses less digits than its factorization.

54312477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104162.

The product of its digits is 23520, while the sum is 33.

The square root of 54312477 is about 7369.6999260485. The cubic root of 54312477 is about 378.7039805103.

The spelling of 54312477 in words is "fifty-four million, three hundred twelve thousand, four hundred seventy-seven".