55225454 has 8 divisors (see below), whose sum is σ = 85694760. Its totient is φ = 26660536.

The previous prime is 55225451. The next prime is 55225463. The reversal of 55225454 is 45452255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55225454² = 6099701539012232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55225454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55225451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476024 + ... + 476139.

It is an arithmetic number, because the mean of its divisors is an integer number (10711845).

Almost surely, 2^55225454 is an apocalyptic number.

55225454 is a deficient number, since it is larger than the sum of its proper divisors (30469306).

55225454 is a wasteful number, since it uses less digits than its factorization.

55225454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952194.

The product of its digits is 40000, while the sum is 32.

The square root of 55225454 is about 7431.3830475895. The cubic root of 55225454 is about 380.8141684860.

The spelling of 55225454 in words is "fifty-five million, two hundred twenty-five thousand, four hundred fifty-four".