79450551 has 48 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 50038560.

The previous prime is 79450549. The next prime is 79450559. The reversal of 79450551 is 15505497.

It is not a de Polignac number, because 79450551 - 2¹ = 79450549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79450559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399150 + ... + 399348.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^79450551 is an apocalyptic number.

79450551 is a deficient number, since it is larger than the sum of its proper divisors (46347849).

79450551 is a wasteful number, since it uses less digits than its factorization.

79450551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 79450551 is about 8913.5038565090. The cubic root of 79450551 is about 429.8982109886.

The spelling of 79450551 in words is "seventy-nine million, four hundred fifty thousand, five hundred fifty-one".