54551512 has 8 divisors (see below), whose sum is σ = 102284100. Its totient is φ = 27275752.

The previous prime is 54551509. The next prime is 54551531. The reversal of 54551512 is 21515545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×54551512² = 5951734922972288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409462 + ... + 3409477.

Almost surely, 2^54551512 is an apocalyptic number.

It is an amenable number.

54551512 is a deficient number, since it is larger than the sum of its proper divisors (47732588).

54551512 is a wasteful number, since it uses less digits than its factorization.

54551512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818945 (or 6818941 counting only the distinct ones).

The product of its digits is 5000, while the sum is 28.

The square root of 54551512 is about 7385.8995389864. The cubic root of 54551512 is about 379.2587396469.

The spelling of 54551512 in words is "fifty-four million, five hundred fifty-one thousand, five hundred twelve".