51355011 has 12 divisors (see below), whose sum is σ = 72739352. Its totient is φ = 32222208.

The previous prime is 51355009. The next prime is 51355033. The reversal of 51355011 is 11055315.

It is not a de Polignac number, because 51355011 - 2¹ = 51355009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51355091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28750 + ... + 30483.

Almost surely, 2^51355011 is an apocalyptic number.

51355011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51355011 is a deficient number, since it is larger than the sum of its proper divisors (21384341).

51355011 is a wasteful number, since it uses less digits than its factorization.

51355011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59270 (or 59253 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 51355011 is about 7166.2410648819. The cubic root of 51355011 is about 371.7014673342.

The spelling of 51355011 in words is "fifty-one million, three hundred fifty-five thousand, eleven".