51498057 has 16 divisors (see below), whose sum is σ = 74408768. Its totient is φ = 31492800.

The previous prime is 51498053. The next prime is 51498061. The reversal of 51498057 is 75089415.

It is an interprime number because it is at equal distance from previous prime (51498053) and next prime (51498061).

It is not a de Polignac number, because 51498057 - 2² = 51498053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51498053) 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 15 ways as a sum of consecutive naturals, for example, 2307 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (4650548).

Almost surely, 2^51498057 is an apocalyptic number.

It is an amenable number.

51498057 is a deficient number, since it is larger than the sum of its proper divisors (22910711).

51498057 is a wasteful number, since it uses less digits than its factorization.

51498057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 51498057 is about 7176.2146707021. The cubic root of 51498057 is about 372.0462640461.

The spelling of 51498057 in words is "fifty-one million, four hundred ninety-eight thousand, fifty-seven".