54611557 has 32 divisors (see below), whose sum is σ = 74269440. Its totient is φ = 38776320.

The previous prime is 54611551. The next prime is 54611569. The reversal of 54611557 is 75511645.

It is not a de Polignac number, because 54611557 - 2¹¹ = 54609509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54611551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88783 + ... + 89395.

It is an arithmetic number, because the mean of its divisors is an integer number (2320920).

Almost surely, 2^54611557 is an apocalyptic number.

It is an amenable number.

54611557 is a deficient number, since it is larger than the sum of its proper divisors (19657883).

54611557 is a wasteful number, since it uses less digits than its factorization.

54611557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its digits is 21000, while the sum is 34.

The square root of 54611557 is about 7389.9632610724. The cubic root of 54611557 is about 379.3978390046.

The spelling of 54611557 in words is "fifty-four million, six hundred eleven thousand, five hundred fifty-seven".