55351450 has 72 divisors (see below), whose sum is σ = 129429216. Its totient is φ = 17239200.

The previous prime is 55351441. The next prime is 55351463. The reversal of 55351450 is 5415355.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41697 + ... + 43003.

It is an arithmetic number, because the mean of its divisors is an integer number (1797628).

Almost surely, 2^55351450 is an apocalyptic number.

55351450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55351450 is an abundant number, since it is smaller than the sum of its proper divisors (74077766).

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

55351450 is a wasteful number, since it uses less digits than its factorization.

55351450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55351450 is about 7439.8555093496. The cubic root of 55351450 is about 381.1035556878.

It can be divided in two parts, 553 and 51450, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 55351450 in words is "fifty-five million, three hundred fifty-one thousand, four hundred fifty".