51952555 has 8 divisors (see below), whose sum is σ = 65624400. Its totient is φ = 39374496.

The previous prime is 51952547. The next prime is 51952583. The reversal of 51952555 is 55525915.

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 51952555 - 2³ = 51952547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273340 + ... + 273529.

It is an arithmetic number, because the mean of its divisors is an integer number (8203050).

Almost surely, 2^51952555 is an apocalyptic number.

51952555 is a deficient number, since it is larger than the sum of its proper divisors (13671845).

51952555 is a wasteful number, since it uses less digits than its factorization.

51952555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546893.

The product of its digits is 56250, while the sum is 37.

The square root of 51952555 is about 7207.8120813462. The cubic root of 51952555 is about 373.1375625548.

It can be divided in two parts, 5195 and 2555, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 51952555 in words is "fifty-one million, nine hundred fifty-two thousand, five hundred fifty-five".