54660551 has 4 divisors (see below), whose sum is σ = 59629704. Its totient is φ = 49691400.

The previous prime is 54660509. The next prime is 54660569. The reversal of 54660551 is 15506645.

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

It is a de Polignac number, because none of the positive numbers 2^k-54660551 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 (54660251) 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, 2484560 + ... + 2484581.

It is an arithmetic number, because the mean of its divisors is an integer number (14907426).

Almost surely, 2^54660551 is an apocalyptic number.

54660551 is a deficient number, since it is larger than the sum of its proper divisors (4969153).

54660551 is a wasteful number, since it uses less digits than its factorization.

54660551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969152.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 54660551 is about 7393.2774193858. The cubic root of 54660551 is about 379.5112622602.

The spelling of 54660551 in words is "fifty-four million, six hundred sixty thousand, five hundred fifty-one".