51234455 has 16 divisors (see below), whose sum is σ = 65893824. Its totient is φ = 38142720.

The previous prime is 51234439. The next prime is 51234499. The reversal of 51234455 is 55443215.

It is not a de Polignac number, because 51234455 - 2⁴ = 51234439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (4118364).

Almost surely, 2^51234455 is an apocalyptic number.

51234455 is a deficient number, since it is larger than the sum of its proper divisors (14659369).

51234455 is a wasteful number, since it uses less digits than its factorization.

51234455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106.

The product of its digits is 12000, while the sum is 29.

The square root of 51234455 is about 7157.8247394023. The cubic root of 51234455 is about 371.4103827737.

The spelling of 51234455 in words is "fifty-one million, two hundred thirty-four thousand, four hundred fifty-five".