51560551 has 8 divisors (see below), whose sum is σ = 60180480. Its totient is φ = 43254168.

The previous prime is 51560539. The next prime is 51560563. The reversal of 51560551 is 15506515.

It is an interprime number because it is at equal distance from previous prime (51560539) and next prime (51560563).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51560551 - 2⁵ = 51560519 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 (51560581) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 78031 + ... + 78688.

It is an arithmetic number, because the mean of its divisors is an integer number (7522560).

Almost surely, 2^51560551 is an apocalyptic number.

51560551 is a deficient number, since it is larger than the sum of its proper divisors (8619929).

51560551 is a wasteful number, since it uses less digits than its factorization.

51560551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156773.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 51560551 is about 7180.5675959495. The cubic root of 51560551 is about 372.1966985923.

The spelling of 51560551 in words is "fifty-one million, five hundred sixty thousand, five hundred fifty-one".