55858632 has 32 divisors (see below), whose sum is σ = 146997600. Its totient is φ = 17639424.

The previous prime is 55858631. The next prime is 55858643. The reversal of 55858632 is 23685855.

It is a super-2 number, since 2×55858632² = 6240373537822848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55858631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60793 + ... + 61704.

It is an arithmetic number, because the mean of its divisors is an integer number (4593675).

Almost surely, 2^55858632 is an apocalyptic number.

It is an amenable number.

55858632 is an abundant number, since it is smaller than the sum of its proper divisors (91138968).

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

55858632 is a wasteful number, since it uses less digits than its factorization.

55858632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122525 (or 122521 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 55858632 is about 7473.8632580480. The cubic root of 55858632 is about 382.2640280625.

The spelling of 55858632 in words is "fifty-five million, eight hundred fifty-eight thousand, six hundred thirty-two".