551671512 has 64 divisors (see below), whose sum is σ = 1597831680. Its totient is φ = 155457792.

The previous prime is 551671499. The next prime is 551671531. The reversal of 551671512 is 215176155.

It is a happy number.

It is a super-2 number, since 2×551671512² = 608682914304732288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10228 + ... + 34755.

It is an arithmetic number, because the mean of its divisors is an integer number (24966120).

Almost surely, 2^551671512 is an apocalyptic number.

It is an amenable number.

551671512 is an abundant number, since it is smaller than the sum of its proper divisors (1046160168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551671512 is a wasteful number, since it uses less digits than its factorization.

551671512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45072 (or 45068 counting only the distinct ones).

The product of its digits is 10500, while the sum is 33.

The square root of 551671512 is about 23487.6885197331. The cubic root of 551671512 is about 820.1504344267.

It can be divided in two parts, 5516 and 71512, that added together give a triangular number (77028 = T₃₉₂).

The spelling of 551671512 in words is "five hundred fifty-one million, six hundred seventy-one thousand, five hundred twelve".