51357190 has 32 divisors (see below), whose sum is σ = 98068320. Its totient is φ = 19309824.

The previous prime is 51357169. The next prime is 51357197. The reversal of 51357190 is 9175315.

It is a super-2 number, since 2×51357190² = 5275121929392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51357197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25044 + ... + 27016.

It is an arithmetic number, because the mean of its divisors is an integer number (3064635).

Almost surely, 2^51357190 is an apocalyptic number.

51357190 is a deficient number, since it is larger than the sum of its proper divisors (46711130).

51357190 is a wasteful number, since it uses less digits than its factorization.

51357190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 51357190 is about 7166.3930955537. The cubic root of 51357190 is about 371.7067243742.

The spelling of 51357190 in words is "fifty-one million, three hundred fifty-seven thousand, one hundred ninety".