51488262 has 24 divisors (see below), whose sum is σ = 127495056. Its totient is φ = 14710896.

The previous prime is 51488249. The next prime is 51488263. The reversal of 51488262 is 26288415.

51488262 is a `hidden beast` number, since 514 + 8 + 82 + 62 = 666.

It is a super-2 number, since 2×51488262² = 5302082247561288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51488263) 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, 204193 + ... + 204444.

It is an arithmetic number, because the mean of its divisors is an integer number (5312294).

Almost surely, 2^51488262 is an apocalyptic number.

51488262 is an abundant number, since it is smaller than the sum of its proper divisors (76006794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51488262 is a wasteful number, since it uses less digits than its factorization.

51488262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408652 (or 408649 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 51488262 is about 7175.5321753860. The cubic root of 51488262 is about 372.0226746498.

The spelling of 51488262 in words is "fifty-one million, four hundred eighty-eight thousand, two hundred sixty-two".